/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package db;

import Control.DataManager;
import Model.User;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Jayson Kiong
 */
public class ForgotPasswordServlet extends HttpServlet {

   /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    
    private DataManager dataManager;
    private User user;
   

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
            doPost(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
            
       
        
        dataManager = new DataManager();
        dataManager.setServletContext(this.getServletContext());

       
        boolean dbOK = false;
        String strError = null;
        
        String username = request.getParameter("username");
        
        

        user = new User();

        user = dataManager.getSecretQuestion(username);
        try{
                if(user.getStrUsername().equals(username))
                        dbOK = true;
        }catch(NullPointerException npe){
                System.out.println("Error on DB return");
                npe.printStackTrace();
                strError = "Invalid username or password.";
                dbOK = false;
        }
        
        HttpSession session = request.getSession(true);
        System.out.println("dbOK: " + dbOK);
        
        if(dbOK){
            session.setAttribute("user", user);
            RequestDispatcher dispatcher = request.getRequestDispatcher("/forgotpassword2.jsp");
            dispatcher.forward(request, response);
        } else {
            //Error after DB login checkout, redirect back to index.jsp
           
            session.setAttribute("error", strError);
            RequestDispatcher dispatcher = request.getRequestDispatcher("/index.jsp");
            dispatcher.forward(request, response);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
